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<p>Mesenchymal stromal cells (MSC) play a critical role in the stem cell niche, a specialized microenvironment where stem cells reside and interact with surrounding cells and extracellular matrix components. Within the niche, MSC offer structural support, modulate inflammatory response, promote angiogenesis and release specific signaling molecules that influence stem cell behavior, including self-renewal, proliferation and differentiation. In epithelial tissues such as the intestine, stomach and liver, MSC act as an important source of cytokines and growth factors, but not much is known about their role in the pancreas. Our group has established a standardized technology for the generation of pancreatic organoids. Herein, we investigated the role of pancreatic mesenchymal stromal cells in the regulation of human pancreatic organoid proliferation and growth, using this 3D model in a co-culture system. We particularly focused on the capacity of pancreatic MSC to produce R-spondin factors, which are considered critical regulators of epithelial growth. We propose the development of a complex in vitro system that combines organoid technology and mesenchymal stromal cells, thereby promoting the assembloid new research era.</p>

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R-spondins secreted by human pancreas-derived mesenchymal stromal cells support pancreatic organoid proliferation

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年3月20日

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  • Alessandro Cherubini,
  • Clelia Pistoni,
  • Maria Chiara Iachini,
  • Cecilia Mei,
  • Francesco Rusconi,
  • Valeria Peli,
  • Mario Barilani,
  • Dorian Tace,
  • Noemi Elia,
  • Fabio Lepore,
  • Vittoria Caporale,
  • Lorenzo Piemonti,
  • Lorenza Lazzari

摘要

Mesenchymal stromal cells (MSC) play a critical role in the stem cell niche, a specialized microenvironment where stem cells reside and interact with surrounding cells and extracellular matrix components. Within the niche, MSC offer structural support, modulate inflammatory response, promote angiogenesis and release specific signaling molecules that influence stem cell behavior, including self-renewal, proliferation and differentiation. In epithelial tissues such as the intestine, stomach and liver, MSC act as an important source of cytokines and growth factors, but not much is known about their role in the pancreas. Our group has established a standardized technology for the generation of pancreatic organoids. Herein, we investigated the role of pancreatic mesenchymal stromal cells in the regulation of human pancreatic organoid proliferation and growth, using this 3D model in a co-culture system. We particularly focused on the capacity of pancreatic MSC to produce R-spondin factors, which are considered critical regulators of epithelial growth. We propose the development of a complex in vitro system that combines organoid technology and mesenchymal stromal cells, thereby promoting the assembloid new research era.